/// <summary>
        ///     Copy constructor which creates identical copy of the given instance.
        /// </summary>
        /// <param name="other">Instance from which values should be copied.</param>
        public CompactArrayFormatInfo(CompactArrayFormatInfo other)
            : base(other)
        {
            InitializeDefaultValues();

            _showItemsOnly     = other._showItemsOnly;
            _showLastDimension = other._showLastDimension;
            HeadingIndices     = other.HeadingIndices;         // This operation copies array; it should not be the simple assignment
            _fieldLength       = other._fieldLength;
            _maxLineLength     = other._maxLineLength;
        }
Ejemplo n.º 2
0
        /// <summary>
        ///     Converts the value of a specified object to an equivalent string representation using
        ///     specified format and culture-specific formatting information.
        /// </summary>
        /// <param name="sb">String builder to which formatted string should be appended.</param>
        /// <param name="format">A format string containing formatting specifications.</param>
        /// <param name="arg">An object to format.</param>
        /// <param name="formatProvider">An object that supplies format information about the current instance.</param>
        /// <param name="maxLength">
        ///     Maximum number of characters allowed to the formatter. Formatting should fail (and return false)
        ///     if this number of characters is breached. Multi-lined formatters should ignore this parameter.
        ///     Negative value indicates that formatter has unlimited space available. On output contains remaining number of characters available.
        /// </param>
        /// <returns>
        ///     true if representation of <paramref name="arg" /> has been successfully appended to <paramref name="sb" />
        ///     within given number of allowed characters; otherwise false.
        /// </returns>
        internal override bool Format(StringBuilder sb, string format, object arg, IFormatProvider formatProvider, ref int maxLength)
        {
            var success        = true;
            var originalLength = sb.Length;

            var formatters        = new List <VerboseFormatInfoBase>();
            var singleLinedFormat = SingleLinedFormat;

            if (arg != null || InstanceDataType != null)
            {
                var type = GetInstanceType(arg);

                var sfi = new ScalarFormatInfo(this);
                sfi.MaximumFormattedLength = maxLength;

                if (sfi.IsFormatApplicable(type))
                {
                    if (IsMultiLinedFormat)
                    {
                        var singleLinedSfi = new ScalarFormatInfo(this);
                        FormatInfoUtils.CopyFormatting(singleLinedFormat, singleLinedSfi);
                        singleLinedSfi.CombineMaximumFormattedLength(FormatInfoUtils.DefaultMaxFormattedLength);
                        formatters.Add(singleLinedSfi);
                    }

                    formatters.Add(sfi);
                }

                if (formatters.Count == 0)
                {
                    var dfi = new DictionaryFormatInfo(this);
                    dfi.MaximumFormattedLength = maxLength;

                    if (dfi.IsFormatApplicable(type))
                    {
                        if (IsMultiLinedFormat)
                        {
                            var singleLinedDfi = new DictionaryFormatInfo(this);
                            FormatInfoUtils.CopyFormatting(singleLinedFormat, singleLinedDfi);
                            singleLinedDfi.CombineMaximumFormattedLength(FormatInfoUtils.DefaultMaxFormattedLength);
                            formatters.Add(singleLinedDfi);
                        }
                        formatters.Add(dfi);
                    }
                }

                if (formatters.Count == 0)
                {
                    var cmfi = new CompactMatrixFormatInfo(this);
                    cmfi.MaximumFormattedLength = maxLength;

                    if (cmfi.IsFormatApplicable(type))
                    {
                        //if (IsMultiLinedFormat)   // Uncomment these lines to enable inlining compactly presented matrices; that operation is not suggested
                        //{
                        //    CompactMatrixFormatInfo singleLinedCmfi = new CompactMatrixFormatInfo(this);
                        //    FormatInfoUtils.CopyFormatting(singleLinedFormat, singleLinedCmfi);
                        //    singleLinedCmfi.CombineMaximumFormattedLength(FormatInfoUtils.DefaultMaxFormattedLength);
                        //    formatters.Add(singleLinedCmfi);
                        //}
                        formatters.Add(cmfi);
                    }
                }

                if (formatters.Count == 0)
                {
                    var cafi = new CompactArrayFormatInfo(this);
                    cafi.MaximumFormattedLength = maxLength;

                    if (cafi.IsFormatApplicable(type))
                    {
                        if (IsMultiLinedFormat)
                        {
                            var singleLinedCafi = new CompactArrayFormatInfo(this);
                            FormatInfoUtils.CopyFormatting(singleLinedFormat, singleLinedCafi);
                            singleLinedCafi.CombineMaximumFormattedLength(FormatInfoUtils.DefaultMaxFormattedLength);
                            formatters.Add(singleLinedCafi);
                        }
                        formatters.Add(cafi);
                    }
                }

                if (formatters.Count == 0)
                {
                    var afi = new ArrayFormatInfo(this);
                    afi.MaximumFormattedLength = maxLength;

                    if (afi.IsFormatApplicable(type))
                    {
                        if (IsMultiLinedFormat)
                        {
                            var singleLinedAfi = new ArrayFormatInfo(this);
                            FormatInfoUtils.CopyFormatting(singleLinedFormat, singleLinedAfi);
                            singleLinedAfi.CombineMaximumFormattedLength(FormatInfoUtils.DefaultMaxFormattedLength);
                            formatters.Add(singleLinedAfi);
                        }
                        formatters.Add(afi);
                    }
                }

                if (formatters.Count == 0)
                {
                    var efi = new EnumerableFormatInfo(this);
                    efi.MaximumFormattedLength = maxLength;

                    if (efi.IsFormatApplicable(type))
                    {
                        if (IsMultiLinedFormat)
                        {
                            var singleLinedEfi = new EnumerableFormatInfo(this);
                            FormatInfoUtils.CopyFormatting(singleLinedFormat, singleLinedEfi);
                            singleLinedEfi.CombineMaximumFormattedLength(FormatInfoUtils.DefaultMaxFormattedLength);
                            formatters.Add(singleLinedEfi);
                        }
                        formatters.Add(efi);
                    }
                }

                if (formatters.Count == 0)
                {
                    if (IsMultiLinedFormat)
                    {
                        var singleLinedGfi = new GeneralFormatInfo(this);
                        FormatInfoUtils.CopyFormatting(singleLinedFormat, singleLinedGfi);
                        singleLinedGfi.CombineMaximumFormattedLength(FormatInfoUtils.DefaultMaxFormattedLength);
                        formatters.Add(singleLinedGfi);
                    }

                    var gfi = new GeneralFormatInfo(this);
                    gfi.MaximumFormattedLength = maxLength;

                    formatters.Add(gfi);
                }
            }

            if (formatters.Count > 0)
            {
                success = success && FormatInfoUtils.BestTryFormat(sb, format, arg, formatters, ref maxLength);
            }

            if (!success)
            {
                sb.Length = originalLength;
            }

            return(success);
        }
Ejemplo n.º 3
0
        /// <summary>
        ///     Converts the value of a specified object to an equivalent string representation using
        ///     specified format and culture-specific formatting information.
        /// </summary>
        /// <param name="sb">String builder to which formatted string should be appended.</param>
        /// <param name="format">A format string containing formatting specifications.</param>
        /// <param name="arg">An object to format.</param>
        /// <param name="formatProvider">An object that supplies format information about the current instance.</param>
        /// <param name="maxLength">
        ///     Maximum number of characters allowed to the formatter. Formatting will fail (and return false)
        ///     if this number of characters is breached. Multi-lined formatters will ignore this parameter.
        ///     Negative value indicates that formatter has unlimited space available. On output contains remaining number of characters available.
        /// </param>
        /// <returns>
        ///     true if representation of <paramref name="arg" /> has been successfully appended to <paramref name="sb" />
        ///     within given number of allowed characters; otherwise false.
        /// </returns>
        internal override bool Format(StringBuilder sb, string format, object arg, IFormatProvider formatProvider, ref int maxLength)
        {
            var success        = true;
            var originalLength = sb.Length;

            if (PushCurrentObject(arg))
            {
                if (ShowDataType)
                {
                    var instanceType = GetInstanceType(arg);
                    success = success && AppendFriendlyTypeName(instanceType, arg, sb, ref maxLength);
                }

                if (sb.Length > originalLength)
                {
                    success = FormatInfoUtils.TryAppendChar(this, sb, ' ', success, ref maxLength);
                }
                success = FormatInfoUtils.TryAppendString(this, sb, FirstContainedValuePrefix, success, ref maxLength);

                if (arg != null)
                {
                    IncIndentationLevel(true);

                    var array = (Array)arg;
                    var rows  = array.GetLength(0);

                    var cafi = new CompactArrayFormatInfo(this);
                    cafi.ShowItemsOnly = true;
                    cafi.FieldLength   = GetMaxValueLength(array);

                    var rowNumberFormatProvider = new ScalarFormatInfo(VerboseFormatInfo.SingleLinedFormat);
                    rowNumberFormatProvider.ShowDataType     = false;
                    rowNumberFormatProvider.ShowInstanceName = false;
                    if (IsMultiLinedFormat)
                    {
                        rowNumberFormatProvider.FieldLength = rowNumberFormatProvider.GetValueLength(rows);
                    }

                    for (var i = 0; i < rows; i++)
                    {
                        if (i == rows - 1)
                        {
                            DecIndentationLevel();
                            IncIndentationLevel(false);                             // There are no more rows in the matrix

                            cafi.DecIndentationLevel();
                            cafi.IncIndentationLevel(false);
                        }

                        success = success && FormatLinePrefix(sb, true, i == rows - 1, false, 0, ref maxLength);
                        success = FormatInfoUtils.TryAppendString(this, sb, "Row ", success, ref maxLength);
                        success = success && rowNumberFormatProvider.Format(sb, null, i, rowNumberFormatProvider, ref maxLength);

                        success = FormatInfoUtils.TryAppendChar(this, sb, ' ', success, ref maxLength);
                        success = FormatInfoUtils.TryAppendString(this, sb, FirstContainedValuePrefix, success, ref maxLength);

                        // Now we should append row content, which is obtained differently in case of matrix and in case of jagged array
                        if (array.Rank == 1)
                        {
                            // Array is jagged
                            var row = (Array)array.GetValue(i);
                            cafi.ShowLastDimension = false;
                            success = success && cafi.Format(sb, null, row, cafi, ref maxLength);
                        }
                        else
                        {
                            // Array is a matrix
                            cafi.HeadingIndices    = new[] { i };
                            cafi.ShowLastDimension = true;
                            success             = success && cafi.Format(sb, null, array, cafi, ref maxLength);
                            cafi.HeadingIndices = null;
                        }

                        success = FormatInfoUtils.TryAppendString(this, sb, LastContainedValueSuffix, success, ref maxLength);
                    }

                    DecIndentationLevel();
                }

                success = FormatInfoUtils.TryAppendString(this, sb, LastContainedValueSuffix, success, ref maxLength);

                PopCurrentObject();
            }
            else
            {
                success = success && FormatInfoUtils.ReportInfiniteLoop(sb, arg, InstanceName, ref maxLength);
            }

            if (!success)
            {
                sb.Length = originalLength;
            }

            return(success);
        }